In the News: UCSF Soda Ban

NY Times: Putting Sugary Soda Out of Reach

An excerpt:

Last year, U.C.S.F. removed sugar-sweetened beverages from every store, food truck and vending machine on its campus. Even popular fast-food chains on the campus, like Subway and Panda Express, have stopped selling Sprite, Coca-Cola and their sugary brethren at the university’s request….

“We’re a public health institution, and there’s something not right about us making money off of products that we know are making people sick,” said Laura Schmidt, a professor at the medical school who spearheaded the beverage initiative…

Nationwide, at least 30 medical centers have restricted the sale of soda and full-calorie sports drinks, including the Cleveland Clinic in Ohio and the University of Michigan Health System…

the beverage industry argues that the strategy is flawed. It points out that obesity rates have been climbing even as America’s soda intake has declined in recent years. And it says that focusing blame on soda alone, rather than calories from all foods, is misguided.

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NY Times: Cutting Sugar Improves Children’s Health in Just 10 Days

Perhaps this is not the best day of the year for this topic….

A recent small study of 43 children is summarized by the NY Times: Cutting Sugar Improves Children’s Health in Just 10 Days

An excerpt:

Obese children who cut back on their sugar intake see improvements in their blood pressure, cholesterol readings and other markers of health after just 10 days, a rigorous new study found.

The new research may help shed light on a question scientists have long debated: Is sugar itself harming health, or is the weight gain that comes from consuming sugary drinks and foods mainly what contributes to illness over the long term?

In the new study, which was financed by the National Institutes of Health and published Tuesday in the journal Obesity, scientists designed a clinical experiment to attempt to answer this question. They removed foods with added sugar from a group of children’s diets and replaced them with other types of carbohydrates so that the subjects’ weight and overall calorie intake remained roughly the same.

After 10 days, the children showed dramatic improvements, despite losing little or no weight. The findings add to the argument that all calories are not created equal, and they suggest that those from sugar are especially likely to contribute to Type 2 diabetes and other metabolic diseases, which are on the rise in children, said the study’s lead author, Dr. Robert Lustig, a pediatric endocrinologist at the Benioff Children’s Hospital of the University of California, San Francisco.

My take:  For a long time, I have been telling patients that if they make only one change, I would start by eliminating sugar-sweetened beverages. While this is a small study, it reinforces the view that sugar intake needs to be limited.

This post included last year’s pumpkin (Halloween 2014):  NASPGHAN Postgraduate Course 2014 -Liver Module – gutsandgrow

This year’s pumpkin:

Screen Shot 2015-10-30 at 7.22.05 PM

Do You Think Fruit Drinks Are Healthy?

According to a recent report in USA Today, a large number of parents have been misled into thinking that sugary beverages and fruit drinks are healthy. Here’s an excerpt:

That’s the conclusion of a new study from the Rudd Center for Food Policy and Obesity at University of Connecticut, published today in Public Health Nutrition.

Many parents believe that drinks with high amounts of added sugar — particularly fruit drinks, sports drinks and flavored water — are “healthy” options for kids, according to the report, funded by the Robert Wood Johnson Foundation, which focuses on improving health and health care…

The vast majority of parents give kids sugary drinks regularly…Equally significant, nearly half of parents surveyed rated flavored waters as healthy, and more than one-quarter considered fruit drinks and sports drinks to be healthy…

Parents said they were particularly influenced by nutritional claims appearing on the packages — such as claims that the items are “real” or “natural” or contained vitamin C or antioxidants, or were low in sodium or calories.

Bottomline: This information reinforces the fact that many parents do not realize basic nutrition information.

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Water -Often Missing from Diet

A recent NPR report indicates that a faction of scientists is pushing for a water icon to be added to the government’s MyPlate.

Here’s the link: Missing from MyPlate? Water

Here’s an excerpt:

“Consumption of sugary beverages is the leading contributor to added sugar in the American diet,” says Christina Hecht, senior policy adviser at the UC Nutrition Policy Institute and one of the water advocates. “If people could make that one change to drink water to quench their thirst instead of sugar beverages, that would solve a big piece of the problem.”

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Preventing Picky Eating Habits

According to several studies in Pediatrics and summarized in NY Times, preventing picky eating habits and developing good diet habits relies on #1) introduction of fruits and vegetables in the first year of life and #2) avoid sugar-sweetened beverages in infancy.

NY Times Food Introduction Article

Here is an excerpt of the summary:

The package of 11 studies was published in the journal Pediatrics and was funded by the Centers for Disease Control and Prevention and the Food and Drug Administration, among others. Investigators tracked the diets of roughly 1,500 6-year-olds, comparing their eating patterns to those observed in a study that followed them until age 1…

As it turns out, “when infants had infrequent consumption of fruits and vegetables, they also had infrequent consumption at 6,” said Kelley Scanlon, an epidemiologist at the C.D.C. and the senior author of a few of the new studies.

Dr. Scanlon and her colleagues suggested that it is best to interest children in fruits and vegetables by late infancy — roughly between 10 and 12 months old.

Another study in the new series found that babies who consumed any amount of sugar-sweetened beverages were two times more likely to drink them at least once daily at age 6. A third study found that infants ages 10 to 12 months who were given sugar-sweetened beverages more than three times a week were twice as likely to be obese at age 6 than those who consumed none as infants.

Their analysis took into account factors that could skew results, like race, family income and breast-feeding. ..Breast-fed infants are more accepting of new foods than babies who drank the same-tasting formula day after day, research has shown. A C.D.C. study in the new series found that children who were breast-fed were more likely to consume water (versus sugar-sweetened beverages), fruits and vegetables at age 6.

Related blog post:

Sweetened Beverages -A Big Problem for Little Kids …

Sweetened Beverages -A Big Problem for Little Kids

Many times we may look at a study and think that the results could easily have been anticipated.  Yet, there are many examples when our assumptions are flat-out wrong.

A recent study (Pediatrics 2013; 132: 413-20 -thanks to Jeff Lewis for this reference) helps solidify what we think we already knew, namely that sugar-sweetened beverages (SSB) contribute to weight gain in young children.  This study showed that 2-5 year-olds, followed in the Early Childhood Longitudinal Survey–Birth Cohort (n=9600), who had more frequent SSB consumption had higher BMI z scores by age four (P < .05) than infrequent/nondrinkers of SSB.  This study, for the first time, shows this effect in this younger population.

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Will salt intake make you fat?

Maybe.  According to a recent study (Pediatrics 2013; 131: 14-20), salt intake is associated with consumption of sugar-sweetened beverages (SSB); hence, it might make you fat.

This cross-sectional study used data (4283 participants, ages 2-16 years) from the 2007 Australian National Children’s Nutrition and Physical Activity Survey.  Calculation of dietary intake (salt, fluid, sugary beverages) was determined by looking at two 24-hour dietary recalls.

Each gram of salt was associated with a 46 gram intake of fluid.  Of those who took SSB (n=2571), salt intake was associated with increased consumption of SSB; each gram of salt was associated with a 17 gram increased intake of SSB.  Participants with SSB intake of more than 1 serving (≥250 g), in turn, were 26% more likely to be overweight/obese (odds ratio 1.26).

Study limitations included the following:

  • 24-hour dietary recalls which likely underrepresented salt intake
  • Salt intake may be clustered with other ‘unhealthy’ dietary habits.  Thus, it may be a marker for undesirable diet rather than a causal factor.

Conclusion: Besides lowering blood pressure and lowering the risk of kidney stones, reducing salt intake may help with obesity prevention.

Related blog post:

Eliminating sweetened beverages to help obesity

For every difficult problem there’s a solution that’s simple, neat and wrong.–HL Mencken

Two studies from the New England Journal of Medicine, thus far (at the time of writing) published only online, shed some light on the difficult problem of consumption of sugar-sweetened beverages and its relationship to obesity:

  • A Trial of Sugar-free or Sugar-Sweetened Beverages and Body Weight in Children. Janne C. de Ruyter, M.Sc., et al. September 21, 2012DOI:  10.1056/NEJMoa1203034

  • A Randomized Trial of Sugar-Sweetened Beverages and Adolescent Body Weight. Cara B. Ebbeling, Ph.D., et al,  September 21, 2012DOI:  10.1056/NEJMoa1203388

The first study was an 18-month double-blind, randomized, controlled trial with 641 primarily normal-weight children between 4-12 years of age; patients were recruited from elementary schools.  Patients either received a sugar-free artificially sweetened beverage or a similar sugar-containing beverage, 8 oz per day at school.  At 18 months, 74% continued consuming these beverages; among those remaining in the program, on average, they consumed 83% of the assigned 7 cans each week.  Another marker of adherence was increased urinary sucralose in the sugar-free group (6.7 mg/L compared with 0.1 mg/L in the sugar group). Weight gain was less in the sugar-free group: 6.35 kg compared with 7.37 kg.  Other measures of weight gain were less as well, including skinfold-thickness, waist-to-height ratio, and fat mass. It is also noted that in the U.S. the average consumption of sweetened beverages is three times the amount noted in this Dutch study.

The second study examined 224 overweight and obese adolescents who were randomly assigned into experimental and control groups.  The experimental group received a 1-year intervention designed to decrease consumption of sugar-sweetened beverages; they were followed for an additional year afterwards.  Retention rates were good: 93% at 2 years. To support the experimental group, sugar-free beverages were delivered to  the house and the families received monthly motivational calls. In addition, patients had three check-in visits and written materials. The consumption of sugar-sweetened beverages declined in the experimental group from a baseline of 1.7 servings per day to nearly 0 at 1 year & remained lower at 2 years than the control group.  The primary outcome, BMI, did not differ significantly between the two groups at 2 years nor did change in body fat percentage.  (BMI did improve at 1 year, -0.57.)  In the small number of Hispanic participants (n=27 in experimental group), there was a significant change in BMI at both 1 and 2 years.

While consumption of sugar-sweetened beverages have been considered to be more fattening than solid foods because they do not lead to a sense of satiety, it appears that restriction of these beverages by itself will not make a major dent in the problem of obesity.

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